Ocean of doubt: Polluted waters, broken communities in Louisiana
November 29, 2010, 8:28 p.m. by Meredith Darlington
Video: Alexandra Cousteau revisits Scott St. Pierre in Louisiana and learns how he and others are coping with the oil spill.
An ecosystem reborn: Restoring the Petitcodiac River
November 8, 2010, 11:30 a.m. by Meredith Darlington
Video: After a 42-year battle, the Petitcodiac River flows freely again in New Brunswick.
Interview: Jennifer Pitt, Director of the Colorado River Program
October 26, 2010, 4:35 p.m. by Meredith Darlington
Video: Alexandra Cousteau speaks with Pitt, who points out we have hit the age of limits on the Colorado.
Yuma, Arizona's very hot, very irrigated and very productive agriculture
August 25, 2010, 1:16 p.m. by Expedition Blue Planet
Expedition Blue Planet looks at Yuma's agriculture sector, where the water is diverted one last time before it flows into Mexico.
'Signing Day' recognizes high school seniors starting jobs, not college
10 countries where royalty still rules
13 natural solutions for killing and deterring ants
17 surreal images of Hawaii's Kilauea volcano eruption
12 plants that repel unwanted insects
Record-breaking 'monster wave' detected in Southern Ocean